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Four types of tamper-evident seals

Tamper-evident seals are essential in ensuring product integrity and consumer trust. By clearly indicating when a product has been tampered with, a security seal can provide peace of mind and protect against unauthorised access. Let’s explore four types of tamper-evident seals:

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  1. Breakable seals

    Breakable seals, such as tear tabs and snap caps, break apart upon opening, making it evident that the product has been accessed. These seals are commonly used in food and beverage packaging; for example, many juice bottles feature a breakable band that snaps upon first opening. This type of tamper-evident seal is a straightforward yet effective way to secure products.

    The ECA, Europe’s leading quality assurance organisation, highlights the importance of tamper-proof seals in pharmaceutical packaging.

    2. Induction seals

    Induction seals use heat and pressure to create a secure bond on the container’s lip. The adhesive layer ensures the seal must be peeled off before accessing the product, leaving a noticeable residue. This type of seal is nearly impossible to reseal without specialist equipment, making it a robust tamper-evident solution.

    3. Shrink bands

    Shrink bands wrap tightly around the product’s cap and neck, requiring the consumer to tear them open. Often used for pharmaceuticals and personal care items, these bands provide a clear indication if the product has been tampered with. The plastic used in shrink bands, which are available from suppliers such as Acmeseals, shrinks when heated, creating a snug fit that is both tamper-evident and protective.

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  1. Label seals

    Label seals consist of adhesive labels that tear or leave residue when removed, providing visible evidence of tampering. These seals are versatile and can be used across multiple industries, including food and cosmetics. By integrating branding or safety messages on the label, companies can enhance their product’s security and appeal. Under UK guidelines, label seals are a recommended method for ensuring product safety and consumer trust.

    Incorporating these tamper-evident seals into your packaging not only aligns with best practices but also ensures consumer confidence. For premium security seal options, consider reliable providers in the market to ensure your products remain safe and secure.